6.5 sec in total
421 ms
5.3 sec
791 ms
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Visit zookal.co.nzWe analyzed Zookal.co.nz page load time and found that the first response time was 421 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
zookal.co.nz performance score
name
value
score
weighting
Value9.0 s
0/100
10%
Value20.1 s
0/100
25%
Value13.9 s
1/100
10%
Value4,680 ms
0/100
30%
Value0.496
16/100
15%
Value43.1 s
0/100
10%
421 ms
816 ms
397 ms
1068 ms
87 ms
Our browser made a total of 76 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Zookal.co.nz, 59% (45 requests) were made to Assets.zookal-web.production.aws.zookal.com and 5% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Assets.zookal-web.production.aws.zookal.com.
Page size can be reduced by 146.2 kB (8%)
1.7 MB
1.6 MB
In fact, the total size of Zookal.co.nz main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 882.6 kB which makes up the majority of the site volume.
Potential reduce by 82.1 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 82.1 kB or 80% of the original size.
Potential reduce by 62.3 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Zookal images are well optimized though.
Potential reduce by 1.7 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.
Potential reduce by 108 B
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Zookal.co.nz needs all CSS files to be minified and compressed as it can save up to 108 B or 20% of the original size.
Number of requests can be reduced by 41 (68%)
60
19
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zookal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and as a result speed up the page load time.
zookal.co.nz
421 ms
zookal.co.nz
816 ms
nz
397 ms
nz
1068 ms
index.css
87 ms
js
297 ms
chargebee.js
90 ms
lock.min.js
121 ms
es6-shim.js
87 ms
polyfills-5cd94c89d3acac5f.js
119 ms
webpack-a878a9cc7571f250.js
87 ms
framework-78f1b1eb74345829.js
87 ms
main-87b64243df18716c.js
1253 ms
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247 ms
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nz-16da61bd88f59caf.js
299 ms
_buildManifest.js
299 ms
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1249 ms
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461 ms
gtm.js
379 ms
tex-mml-chtml.js
212 ms
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195 ms
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186 ms
snap-pic-text-bg.svg
342 ms
zookal-logo.svg
250 ms
hero-bg-l.jpg
256 ms
free-trial-arrow.png
256 ms
get-unstuck.svg
330 ms
practice-exams.svg
297 ms
find-resources.svg
620 ms
create-flashcards.svg
347 ms
apple-store-download.png
368 ms
google-play-download.png
509 ms
zookal-study-app.png
512 ms
facebook.svg
255 ms
instagram.svg
251 ms
youtube.svg
254 ms
OpenSans-Regular.ttf
498 ms
OpenSans-Medium.ttf
1269 ms
OpenSans-Light.ttf
1997 ms
OpenSans-SemiBold.ttf
1125 ms
OpenSans-Bold.ttf
1127 ms
OpenSans-ExtraBold.ttf
1126 ms
ProximaNova-Bold.ttf
1125 ms
ProximaNova-Semibold.ttf
1127 ms
ProximaNova-Medium.ttf
1127 ms
ProximaNova-Regular.ttf
2213 ms
ProximaNova-Light.ttf
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js
138 ms
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hotjar-575883.js
282 ms
pixel.js
222 ms
fbevents.js
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scevent.min.js
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events.js
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main.MTE2NjEzZWI4MQ.js
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modules.a4fd7e5489291affcf56.js
30 ms
413 ms
zookal.co.nz accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
zookal.co.nz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
zookal.co.nz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zookal.co.nz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Zookal.co.nz main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
zookal.co.nz
Open Graph description is not detected on the main page of Zookal. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: